ceph/src/boost/boost/fusion/algorithm/transformation/erase_key.hpp

   1 /*=============================================================================
   2     Copyright (c) 2001-2011 Joel de Guzman
   3
   4     Distributed under the Boost Software License, Version 1.0. (See accompanying
   5     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 ==============================================================================*/
   7 #if !defined(FUSION_ERASE_KEY_10022005_1851)
   8 #define FUSION_ERASE_KEY_10022005_1851
   9
  10 #include <boost/fusion/support/config.hpp>
  11 #include <boost/fusion/algorithm/query/find.hpp>
  12 #include <boost/fusion/algorithm/transformation/erase.hpp>
  13 #include <boost/mpl/not.hpp>
  14 #include <boost/type_traits/is_same.hpp>
  15
  16 namespace boost { namespace fusion
  17 {
  18     namespace result_of
  19     {
  20         template <typename Sequence, typename Key>
  21         struct erase_key
  22           : erase<Sequence, typename find<Sequence, Key>::type>
  23         {};
  24     }
  25
  26     template <typename Key, typename Sequence>
  27     BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  28     inline typename result_of::erase_key<Sequence const, Key>::type
  29     erase_key(Sequence const& seq)
  30     {
  31         return erase(seq, find<Key>(seq));
  32     }
  33 }}
  34
  35 #endif
  36